import axios from 'axios'
import { Dialog, Toast } from 'vant'
import errorCode from '@/util/errorCode'
import { getBaseUrl } from '@/util/env'
import router from '@/router'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例neu-edu
const service = axios.create({
// axios中请求配置有baseURL选项，表示请求URL公共部分
// baseURL: "http://localhost:8080",
baseURL: getBaseUrl(),
// 超时
timeout: 600000
})
// request拦截器neu+edu
service.interceptors.request.use(config => {
let token = window.localStorage.getItem('token');
if (token) {
config.headers['Authorization'] = 'Bearer ' + token; // 让每个请求携带自定义token 请根据实际情况自行修改
}
// get请求映射params参数
if (config.method === 'get' && config.params) {
let url = config.url + '?';
for (const propName of Object.keys(config.params)) {
const value = config.params[propName];
var part = encodeURIComponent(propName) + "=";
if (value && typeof (value) !== "undefined") {
if (typeof value === 'object') {
for (const key of Object.keys(value)) {
let params = propName + '[' + key + ']';
var subPart = encodeURIComponent(params) + "=";
url += subPart + encodeURIComponent(value[key]) + "&";
}
} else {
url += part + encodeURIComponent(value) + "&";
}
}
}
url = url.slice(0, -1);
config.params = {};
config.url = url;
}
return config
}, error => {
console.log(error)
Promise.reject(error)
})

// 响应拦截器neu-edu
service.interceptors.response.use(res => {
// 未设置状态码则默认成功状态
const code = res.data.code || 200;
// 获取错误信息
const msg = errorCode[code] || res.data.msg || errorCode['default']
if (code === 401) {
Dialog.confirm({
title: '系统提示',
message: '登录状态已过期，请重新登录',
showCancelButton: false,
confirmButtonText: '确定'
}).then(() => {
// on confirm
window.localStorage.clear()
router.push('/')
}).catch(() => {
// on cancel
});
return res.data
} else {
return res.data
}
},
error => {
console.log('err' + error)
let { message } = error;
if (message == "Network Error") {
message = "后端接口连接异常";
}
else if (message.includes("timeout")) {
message = "系统接口请求超时";
}
else if (message.includes("Request failed with status code")) {
message = "系统接口" + message.substr(message.length - 3) + "异常";
}
Toast.fail(message);
return Promise.reject(error)
}
)

export default service